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hi, new to the forum
i wonder if anyone has advise, could my car be one of the ones needing a new egr, i asked bmw they say its not on the list.
its a 640d
production date 07-07-2015 F13 N57Z although not registered until the september.

looking i see some say its cars up to july. im loosing coolant at a rate of 1 liter a month but no water under the car that i can find ? could it be the valve?

thanks